1 files changed, 78 insertions, 0 deletions
diff --git a/tex/context/base/node-fin.mkiv b/tex/context/base/node-fin.mkiv
new file mode 100644
index 000000000..787706ff2
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+++ b/tex/context/base/node-fin.mkiv
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+%D \module
+%D   [       file=attr-ini,
+%D        version=2007.06.06, % probably a bit older
+%D          title=\CONTEXT\ Node Macros,
+%D       subtitle=Finalizing,
+%D         author=Hans Hagen,
+%D           date=\currentdate,
+%D      copyright=PRAGMA-ADE]
+%C
+%C This module is part of the \CONTEXT\ macro||package and is
+%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
+%C details.
+
+\writestatus{loading}{ConTeXt Node Support / Finalizing}
+
+% Objects are processed indepently \unknown\ actually we may
+% need a proper callback.
+
+\unprotect
+
+\registerctxluafile{node-fin}{1.001} % we might generalize this one
+
+\definesystemattribute[trigger] % feature inheritance
+
+\newbox\finalizedshipoutbox
+
+\def\finalizeobjectbox#1{\ctxlua{nodes.process_page(tex.box[\number#1])}}
+
+\def\finalizeshipoutbox#1% % hack till we have access to pdf backend
+  {\global\setbox\finalizedshipoutbox\hbox{#1}%
+   \finalizeobjectbox\finalizedshipoutbox
+   \hbox{\ctxlua{states.flush()}\box\finalizedshipoutbox}}
+
+% tricky stuff:
+
+\newcount\attributeboxcount
+
+\edef\startinheritattributes{\dosetattribute  {trigger}{1}}
+\edef\stopinheritattributes {\doresetattribute{trigger}}
+
+\def\doattributedcopy  {\afterassignment\dodoattributedcopy\attributeboxcount}
+\def\doattributedbox   {\afterassignment\dodoattributedbox \attributeboxcount}
+
+\def\dodoattributedcopy
+  {\startinheritattributes
+   \ifvbox\attributeboxcount
+     \vbox{\unvcopy\attributeboxcount}%
+   \else
+     \hbox{\unhcopy\attributeboxcount}%
+   \fi
+   \stopinheritattributes}
+
+\def\dodoattributedbox
+  {\startinheritattributes
+   \ifvbox\attributeboxcount
+     \vbox{\unvbox\attributeboxcount}%
+   \else
+     \hbox{\unhbox\attributeboxcount}%
+   \fi
+   \stopinheritattributes}
+
+\def\enableattributeinheritance
+  {\ctxlua{states.enabletriggering()}%
+   \let\attributedcopy\doattributedcopy
+   \let\attributedbox \doattributedbox}
+
+\def\disableattributeinheritance
+  {\ctxlua{states.disabletriggering()}%
+   \let\attributedcopy\copy
+   \let\attributedbox \box}
+
+\disableattributeinheritance
+
+% \appendtoks
+%     \enableattributeinheritance % will become default
+% \to\everyjob
+
+\protect \endinput